| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 1100.82 | USD | 20251118 |
| Shandong Yeyang Chem | China national standards | MT | 1101.31 | USD | 20251114 |
| Shandong Yeyang Chem | China national standards | MT | 1100.82 | USD | 20251110 |
| Shandong Yeyang Chem | China national standards | MT | 1100.45 | USD | 20251031 |
| Shandong Yeyang Chem | China national standards | MT | 1100.7 | USD | 20251030 |
| Shandong Yeyang Chem | China national standards | MT | 1099.71 | USD | 20251024 |
| Shandong Yeyang Chem | China national standards | MT | 1099.3 | USD | 20251022 |
| Shandong Yeyang Chem | China national standards | MT | 1099.38 | USD | 20251017 |
| Shandong Yeyang Chem | China national standards | MT | 1098.67 | USD | 20251015 |
| Shandong Yeyang Chem | China national standards | MT | 1097.85 | USD | 20251011 |